# Paper Train vs Poly Bridge 3

The clearest difference is price: Poly Bridge 3 at Free against Paper Train's $0.99. Poly Bridge 3 also leads on update cadence (every 4 days vs every 25 months). Paper Train's advantage is rating (4.6 vs 3.9) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Poly Bridge 3 is free to download; Paper Train costs $0.99 up front. Poly Bridge 3 sells 1 one-off in-app purchase. Paper Train asks for nothing beyond the download.

Paper Train holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 139 and 126 respectively. Written reviews point the same way: 78% of Paper Train's written reviews are positive against 65% of Poly Bridge 3's.

Paper Train ships an update every 25 months, Poly Bridge 3 every 4 days. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Paper Train | Poly Bridge 3 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (139 ratings)](https://appshunter.io/ios/app/paper-train-traffic/id1015944446/reviews)** | [3.9 (126 ratings)](https://appshunter.io/ios/app/poly-bridge-3/id1586851637/reviews) |
| Number of ratings | **139** | 126 |
| Positive reviews | **78.4% of reviews** | 65.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 74 MB | 492 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Istom Games Kft.](https://appshunter.io/developer/333561719) | [Dry Cactus](https://appshunter.io/developer/1197552567) |

## What reviewers say

### Paper Train

[App page](https://appshunter.io/ios/app/paper-train-traffic/id1015944446)

Manage complex train networks across diverse global locations. Prevent collisions and delays by strategically directing train traffic. Enjoy a challenging puzzle experience with hand-drawn graphics and no in-app purchases or ads.

**Highlights:** Supervise train traffic, Avoid rail disruption and delays, Prevent train collisions, 300 challenging levels, Magnificent hand-drawn graphics, Simple pick-up-and-play controls

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Addictive gameplay
- 🎨 Great graphics/art style
- 💡 Clever puzzle design
- 💰 Good value for price
- ⏱️ Good for time-wasting

**What reviewers complain about**

- 🐛 Videos crash the app
- 🔊 No sound issue
- 🐌 Repetitive gameplay
- 🤔 Not unique
- 😩 Frustrating difficulty spikes

**Reported bugs**

- Videos crash the app
- No sound
- Boost disabled when changing signals
- Video level crashes on iPad Pro
- Game not full screen on iPhone X

**Requested features**

- Update old games for new OS
- Part 2 with diesel locomotives
- Pause button
- Replay button
- Make training post-it removable


### Poly Bridge 3

[App page](https://appshunter.io/ios/app/poly-bridge-3/id1586851637)

A physics-based puzzle game where you design and build bridges to guide vehicles to their destinations. Explore diverse levels, experiment with different bridge types, and test your engineering creativity in open-world and sandbox modes.

**Highlights:** Build various bridge types, Physics-based simulation, Open World Campaign, Sandbox mode for creativity, Leaderboards and player gallery, Custom physics engine

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $4.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging gameplay
- 🧠 Challenging and makes you feel like an engineer
- ✨ Great physics
- 😌 Relaxing and pure fun
- 📱 Good for mobile

**What reviewers complain about**

- 🐛 Game-breaking bug with hydraulics
- 🔇 No audio in silent mode
- ⭐ Unclear requirement to get stars
- 🧰 Limits creativity and bad snapping
- 💸 Paid full game after free trial

**Reported bugs**

- Game breaking bug where hydraulics won’t pull asphalt apart
- No audio when in silent mode
- No audio
- Game kept bugging, wouldn’t let me place anything in the sandbox
- Game Center can’t reconnect after reinstalling

**Requested features**

- Turn off silent mode to hear game audio
- Add workshop and ability to share bridges
- Bring weekly mode to iOS
- Allow players to upload levels for others to play
- Add an Olympics mode


## Frequently asked questions

### Is Paper Train free?

Paper Train costs $0.99, with no in-app purchases.

### Is Poly Bridge 3 free?

Poly Bridge 3 is free to download, with in-app purchases available.

### Which has better reviews, Paper Train or Poly Bridge 3?

Paper Train is rated higher. Paper Train averages 4.6 out of 5 from 139 ratings, while Poly Bridge 3 averages 3.9 from 126 ratings.

### Do Paper Train or Poly Bridge 3 have ads?

Neither Paper Train nor Poly Bridge 3 shows ads.

### Which is updated more often, Paper Train or Poly Bridge 3?

Paper Train ships an update every 25 months, and Poly Bridge 3 every 4 days. Most recently, Paper Train was updated on October 20, 2026 and Poly Bridge 3 on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*